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man holding a small pile of soil in his hands

Fertilizer Recommendation Guide

SDSU Extension fertilizer recommendations are based on field research in South Dakota and neighboring states.

A pasture containing a mixture of grasses and alfalfa.

An identification guide for Alfalfa Insect Pests in South Dakota

Pictorial guide for common insect pests of alfalfa in South Dakota

A sprawling sorghum field ready for harvest

An identification guide for Sorghum Insect Pests in South Dakota

Pictorial guide for common insect pests of sorghum in South Dakota.

Cream colored larvae feeding on sunflower seed.

An identification guide for Sunflower Insect Pests in South Dakota

Identification guide to assist with insect identification and management in sunflowers.

a Black and yellow garden spider on its web.

An identification guide for Common Spiders in South Dakota

Identification guide to assist with identification and management of common spiders.

Brown insect with two pincher like appendages at the end of its body.

An identification guide for Home and Building Arthropod Pests - Insects, Spiders and Other Invaders in South Dakota

Identification guide to assist with identification and management of home and building arthropod pests (insects, spiders and other invaders).

Dark brown tick with a white shield behind the head.

An identification guide for Arthropods of Human Health Concern in South Dakota

Pictorial guide for arthropods of human health concern in South Dakota

oats

Oat Variety Trial Results

In 2023, oat variety trials were planted at 7 locations and a regional summary in South Dakota.

Bird's eye view of Dakotafest

SDSU Extension booth at 2023 Dakotafest to feature livestock, soil and range experts

August 07, 2023

South Dakota State University Extension experts will be at the 2023 Dakotafest to provide information on a range of agricultural and economic issues, from the use of prescribed fire to livestock to weed and soil management.